Skip to main content

Oregon State Flag An official website of the State of Oregon » Homepage

About OHP Provider Services

How Can We Help? 

Be sure to review the self-service tools and resources on the website, including the OHP Provider Contacts list, to make sure you get in touch with the specific people who can help. If you still need help, call Provider Services at 800-336-6016.

​Phone and email support from: 

  • Benefit RN Hotline
  • Prior Authorization Line
  • Provider Enrollment
  • Provider Services
  • EDI Support Services 

Electronic data interchange batch and real-time transactions

Oregon Medicaid Provider Portal at

  • Submit, review and adjust claims
  • Submit and review prior authorization requests
  • Verify member eligibility and coordinated care organization (CCO) enrollment
  • Verify OHP coverage for specific treatment and condition pairs​

Automated Voice Response at 866-692-3864:

The Oregon Pharmacy Call Center:

  • Phone: 888-202-2126
  • Fax: 888-346-0178

Provider relations services for OHP coordinated care organizations and dental plans.

  • Interpret Oregon Medicaid rules and policy to help providers resolve billing issues with OHA.
  • Help providers with Oregon Medicaid Provider Portal access and navigation issues. 
  • Issue new PIN letters for Provider Portal and Automated Voice Response access. 
  • Research and resolve "problem claims," CWM claim reconsiderations, and pharmacy claim reconsiderations. 
  • Process provider appeals.
  • Coordinate with other ODHS offices and partners such as Medical Payment Recovery, Health Insurance Group and ODHS case workers to resolve technical issues that affect the provider’s ability to bill OHA (e.g., incorrect eligibility/enrollment/TPL information).

  • Review the resources available on the OHP Tools for Providers page to see if existing resources can answer your questions.
  • Review the Provider Contacts List to make sure you are calling the right number for your question.
  • If you identify an error or unexpected denial on your paper Remittance Advice or 835 transaction from OHA, research the problem from your end. Many of the calls OHA receives about denied claims can be resolved in your billing office (such as coding or modifier errors, wrong claim form or wrong billing provider number).
  • Review how to read the paper remittance advice. This page also provides information about other ways you can obtain claim status information.
  • Review OHA’s common billing errors and how to resolve them.